2026 · Compact Car · Gas

2026 Mercedes-Benz CLA-Class MPG & fuel economy

The 2026 Mercedes-Benz CLA-Class is a compact car with one EPA-rated configuration. The most efficient version returns 23 MPG combined (20 city / 28 highway) on premium gasoline. Efficiency is unchanged from the 2025 model. Among 21 compact cars rated for 2026, it ranks 18th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel.

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Combined 23 MPG 20 MPG city · 28 MPG hwy
Driving range — not published for this model
Your fuel cost $2,576 15,000 mi/yr · $17.17 per 100 mi
Class rank, 2026 #18 of 21 Compact Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2026 Mercedes-Benz CLA-Class's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 11.9 km/L on the highway.

MPGkm/LL/100 km
City208.511.8
Highway2811.98.4
Combined239.810.2

How it ranks among 2026 Compact Cars

Full class ranking →
  1. 1Mercedes-Benz CLA-Class EV126 MPGe $729
  2. 2BMW i4118 MPGe $769
  3. 3BMW i5110 MPGe $826
  4. 4Toyota Corolla Hybrid50 MPG $930
  5. 5Porsche Taycan93 MPGe $977
  6. 18Mercedes-Benz CLA-Class23 MPG $2,576
  7. 21Toyota Mirai72 MPGe $7,500
2026 CLA-ClassOther compact carsClass median: $1,368/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

CLA-Class MPG across model years

Full history →

1 EPA-rated configuration

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
AWD · 2.0L 4-cyl turbo · 8-speed dual-clutch
AMG CLA45 S 4matic		 Gas 20 MPG 28 MPG 23 MPG — $2,576

Specs (most efficient configuration)

Fuel
Premium gasoline
Engine / motor
2.0L 4-cyl turbo
Transmission
8-speed dual-clutch
Drivetrain
AWD
Passenger volume
89 cu ft
Cargo volume
12 cu ft
Tailpipe CO₂
379 g/mi
EPA fuel economy score
5/10
EPA greenhouse gas score
5/10

2026 Mercedes-Benz CLA-Class vs. rivals

vs Lexus IS 22 MPG · $2,693/yr CLA-Class saves $117/yr vs Cadillac CT4 26 MPG · $2,279/yr CT4 saves $297/yr vs Genesis G70 24 MPG · $2,469/yr G70 saves $107/yr vs BMW 3 Series Hybrid 31 MPG · $1,911/yr 3 Series Hybrid saves $665/yr vs Mercedes-Benz CLA-Class EV 126 MPGe · $729/yr CLA-Class EV saves $1,847/yr vs Mercedes-Benz CLA-Class Hybrid 30 MPG · $1,975/yr CLA-Class Hybrid saves $601/yr vs Mercedes-Benz C-Class Hybrid 29 MPG · $2,043/yr C-Class Hybrid saves $533/yr vs Ferrari Purosangue 12 MPG · $4,938/yr CLA-Class saves $2,361/yr vs Toyota Mirai 72 MPGe · $7,500/yr CLA-Class saves $4,924/yr

Compare the 2026 CLA-Class

With any other car from any year, including other CLA-Class model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2026 Mercedes-Benz CLA-Class Hybrid (30 MPG), 2026 Mercedes-Benz CLA-Class EV (126 MPGe)

Frequently asked questions

What is the gas mileage of the 2026 Mercedes-Benz CLA-Class?

Up to 23 MPG combined (20 city / 28 highway).

What fuel does the 2026 Mercedes-Benz CLA-Class use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2026 Mercedes-Benz CLA-Class?

The 2026 Mercedes-Benz CLA-Class's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 11.9 km/L on the highway.

How much does it cost to fuel the 2026 Mercedes-Benz CLA-Class per year?

About $2,576 at 15,000 miles a year with $3.95/gal premium gas, or $17.17 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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